CN105840328B - A kind of hybrid electric vehicle engine intelligent electronic control unit - Google Patents
A kind of hybrid electric vehicle engine intelligent electronic control unit Download PDFInfo
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- CN105840328B CN105840328B CN201610226852.1A CN201610226852A CN105840328B CN 105840328 B CN105840328 B CN 105840328B CN 201610226852 A CN201610226852 A CN 201610226852A CN 105840328 B CN105840328 B CN 105840328B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/021—Engine temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0404—Throttle position
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0614—Actual fuel mass or fuel injection amount
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1002—Output torque
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/50—Input parameters for engine control said parameters being related to the vehicle or its components
Abstract
The invention discloses a kind of hybrid electric vehicle engine intelligent electronic control units, belong to technical field of engine control.The engine intelligent electronic control unit of the present invention includes core in the original ECU of engine and engine intelligent body, and the original ECU of engine includes sensor assembly, effector module and functional unit block；Core includes reaction module, database, communication module, collaboration module and local planning module in engine intelligent body；The original ECU of engine cooperates with each module in hair engine intelligent body, and sensor assembly is directly connected with reaction module, and function module includes extinction function function and rotating speed and direct torque function, and corresponding power output is carried out for controlling engine.The present invention is directed to assign the ability of engine intelligent body interactive cooperation, while enhancing that its is intelligent, derivation is optimized to engine demand torque and demand rotating speed using internal control algorithm, optimizes engine performance.
Description
Technical field
The present invention relates to technical field of engine control, more specifically to a kind of hybrid electric vehicle engine intelligence
It can electronic control unit.
Background technology
By the end of the year 2015, global auto recoverable amount about 11.2 hundred million.Huge car ownership is further exacerbated by
Energy crisis and environmental pollution, make energy-saving and emission-reduction be rooted in the hearts of the people, and new-energy automobile has become the research and development focus of current auto industry.
Hybrid vehicle (Hybrid Electric Vehicle, HEV) belongs to a kind of mistake between orthodox car and pure electric automobile
Vehicle is crossed, the advantages of it both is combined, technology platform is relatively perfect, and maturity is high, even more new-energy automobile research and development
It is preferred.Hybrid vehicle has two sets of dynamical systems, and the exploitation of power assembly integrated control system is one of critical issue,
It directly affects the dynamic property of vehicle, fuel economy, emission performance and multiplies and drive comfort, therefore a kind of hybrid vehicle starts
The research of machine intelligent electronic control unit is beneficial to the exploitation of hybrid power automobile power assembly integrated control system, has weight
Big researching value.
It is interconnected currently, the Engine ECU of hybrid vehicle is netted with entire car controller by CAN, so that engine
Power must carry out coordination control according to the control algolithm of entire car controller.First, according to current road conditions and loading demand,
Driver steps on the throttle pedal, and entire car controller receives gas pedal opening amount signal.Then, the predetermined control of entire car controller
Algorithm handles gas pedal opening amount signal, and sends out torque and rotary speed instruction to Engine ECU according to handling result, most
Accelerator actuating mechanism is controlled according to torque and rotary speed instruction by Engine ECU afterwards, to realize that engine power exports.
In the method, after entire car controller assigns demand rotating speed and demand torque instruction to Engine ECU, Engine ECU can not
It is enough that engine demand torque and demand rotating speed are done according to the real time status information of engine and the universal characteristic curve of engine
Correcting process is advanced optimized, the power request of entire car controller is only simply directly executed.Therefore, this controls process simultaneously
It cannot be guaranteed that the engine under current working operates between optimized working zone, more it cannot be guaranteed that engine power and power of motor
Reasonable distribution, hybrid vehicle can not be made to reach best fuel economy.
China Patent No.：201310647806.5 authorized announcement date：On 2 19th, 2014, which disclosed one
Kind hybrid power automobile power assembly intelligent control method, it is proposed that utilize the HEV power assembly controls of multi-agent system technology
The power assembly Component Intelligent body of system processed, structure includes engine intelligent body, intelligent motor body, intelligent accummulator body and is
System intelligent body.This method is according to current vehicle driving cycle, the operating mode of intelligent selection vehicle and corresponding to the operating mode
Control strategy, make all component workings of power assembly in optimum state.But the patent of invention only discloses system control block
Frame, be not related in patent the engine intelligent body described in it have which kind of structure and its specific design scheme and
Embodiment.
By literature search the relevant technologies have been issued in Shanghai communications university's journal the 8th phase of volume 49 of in August, 2015
Document DOI:10.16183/j.cnki.jsjtu.2015.08.006 the document discloses hybrid vehicle multipotency driving source
The intelligent body control technology of assembly, by engine intelligent body, motor intelligent body, coupler intelligent body, intelligent accummulator body and
System intelligent body constitutes hybrid power automobile power assembly multi-agent system.In the system, driver and system intelligent body
Human-computer interaction is carried out, other subsystem intelligent bodies perceive driving cycles and self-decision, then receive system intelligent body overall coordination,
It carries out again mutually coordinated between other last each subsystem intelligent bodies, finally obtains the power matching knot for adapting to current driving cycles
Fruit.Wherein, engine intelligent body Model is using engine demand torque, engine demand rotating speed and state of cyclic operation information as fuzzy
The Indistinct Input of logic controller solves to obtain engine actual torque and reality turn under current working by fuzzy algorithmic approach
Then speed is coordinated instruction according to the torque of system intelligent body and rotating speed and is modified to it.But this engine intelligent body is only
Be it is simple engine demand torque and demand rotating speed are solved, essence is a kind of computational entity of fuzzy controller,
There is no to engine electronic control unit hardware modification.
Invention content
1. technical problems to be solved by the inivention
It is an object of the invention to overcome, Engine ECU can not be to engine demand torque and demand rotating speed in the prior art
The deficiency advanced optimized is done, a kind of hybrid electric vehicle engine intelligent electronic control unit, technology of the invention are provided
Scheme, assigns the ability of engine intelligent body interactive cooperation, while enhancing that its is intelligent, using internal control algorithm to engine
Demand torque and demand rotating speed optimize derivation, optimize engine performance.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
A kind of hybrid electric vehicle engine intelligent electronic control unit of the present invention, engine intelligent electronic control are single
Member is engine intelligent body, including the original ECU of engine, further includes core in engine intelligent body, the engine is original
ECU includes sensor assembly, effector module and functional unit block；In the engine intelligent body core include reaction module,
Database, communication module, collaboration module and local planning module；The original ECU of engine and each mould in core in engine intelligent body
Block cooperates, and the sensor assembly is directly connected with the reaction module, and the functional unit block includes to put out
Fiery power function and rotating speed and direct torque function, wherein extinction function function are called by reaction module, directly control engine
It is flame-out；Sector planning module solves engine demand torque and rotational speed optimization, obtains engine response torque value and response turns
Speed value, and then the rotating speed of calling function unit module controls engine throttle executing agency with direct torque function.
As further improvement of the present invention, the information parameter of the database purchase engine intelligent body and start
Machine universal characteristic curve, the communication of the information parameter of engine intelligent body between engine intelligent body and other intelligent bodies provide
Identification information, the universal characteristic curve of engine record torque under engine different rotating speeds output situation and oil consumption feelings
Condition, during sector planning module optimizes solution to engine demand torque and demand rotating speed, the part rule
The universal characteristic curve of engine that module can be inquired by communication module in the database is drawn, Optimization Solution is promoted to obtain
Engine response torque value and response tachometer value fall the Effec-tive Function region in universal characteristic curve of engine.
As further improvement of the present invention, the communication module is interconnected by CAN nets and other intelligent bodies, is sent out
Information between motivation intelligent body and other intelligent bodies is transmitted, which carries out letter with reaction module and collaboration module simultaneously
Breath exchanges.
As further improvement of the present invention, the engine of reaction module receiving sensor module acquisition is real-time
Status information, and corresponding information is transmitted to communication module and collaboration module；After being additionally provided with IF former pieces THEN in the reaction module
The rule base of part, wherein IF former pieces include brake application stoping message and engine failure information, and THEN consequents are flame-out instruction, if
IF former pieces meet, then execute the flame-out instruction of THEN consequents, the extinction function function of calling function unit module starts to control
Machine is flame-out.
As further improvement of the present invention, the collaboration module groundwork is to obtain engine section from reaction module
Valve opening information, and determine that engine it is expected torque and phase in conjunction with the speed changer current gear information come from communication module transmission
It hopes rotating speed, and the engine it is expected that torque and desired rotary speed information pass to system intelligent body.
As further improvement of the present invention, the sector planning module is mainly made of planner, in planner
Internal control algorithm is stored, groundwork is the universal characteristic curve pair of the real time status information and engine according to engine
Engine demand torque and demand rotating speed optimize correcting process, obtain engine response torque value and response tachometer value, from
And the rotating speed of calling function unit module and direct torque function come control engine throttle executing agency change valve opening and
Distributive value.
As further improvement of the present invention, the groundwork of engine intelligent body is as follows：
(1) currently defeated by engine real time status information in sensor assembly collection vehicle driving process, including engine
Go out torque, rotating speed, throttle opening, brake signal, distributive value, air inflow and temperature cylinder, which is passed to reaction mould
Block；
(2) communication module inquires that speed changer intelligent body current gear information, collaboration module obtain speed changer by communication module
Current gear information, collaboration module obtain throttle opening information by reaction module, and then collaboration module is according to the information of acquisition
It determines that engine it is expected torque and desired rotating speed, and engine it is expected that torque and desired rotary speed information pass to by communication module
System intelligent body；
(3) communication module receives system intelligent body and transmits the engine demand torque come and demand rotating speed, and is transmitted
To collaboration module, the information and engine real time status information are passed to sector planning module by collaboration module；Then, part
Planning module passes through the universal spy of engine of communication module inquiry database according to collected engine real time status information
Linearity curve optimizes derivation to engine demand torque and demand rotating speed using internal control algorithm, obtains engine
Torque value and response tachometer value are responded, engine oil is controlled with direct torque function to the rotating speed of calling function unit module
Door executing agency changes electronic throttle aperture and distributive value.
As further improvement of the present invention, the information parameter of database purchase engine intelligent body includes starting wisdom
Can the address of running body host, the title of host, engine intelligent body title and communication port, pass through the unique terrestrial reference of the parameter
Know engine intelligent body.
As further improvement of the present invention, the engine real time status information of the sensor assembly acquisition includes hair
The current output torque of motivation, rotating speed, throttle opening, brake signal, distributive value, air inflow and temperature cylinder.
3. advantageous effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
A kind of hybrid electric vehicle engine intelligent electronic control unit of the present invention, reaction module can be directly by feeling
The extinction function function of information calling function unit module is known to control engine misses, and the urgent misfiring condition of quick response rises
The effect of stoppage protection is arrived；In addition, the Engine Universal Characteristics that the sector planning module of the present invention can inquire database are bent
Line and the real time status information for combining engine, the engine demand that system intelligent body is passed over using internal control algorithm
Torque and demand rotating speed optimize derivation, ensure engine response torque value and response turn that Optimization Solution obtains as possible
Fast value falls the efficient operation region in universal characteristic curve of engine, rotating speed and the torque control of last calling function unit module
Function processed changes valve opening and distributive value to control engine throttle executing agency, keeps hybrid power automobile power assembly integrated
The working characteristics of engine has been taken into account when control, can advanced optimize the power output of engine, has been ensured under current working
Engine operates between optimized working zone.
Description of the drawings
Fig. 1 is a kind of structure flow chart of hybrid electric vehicle engine intelligent electronic control unit of the present invention；
Fig. 2 is the course of work and schematic diagram of each module of engine intelligent body of the present invention.
Specific implementation mode
To further appreciate that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1, a kind of hybrid electric vehicle engine intelligent electronic control unit of the present embodiment, substantially mixing are dynamic
Power automobile engine intelligent electronic control unit is the engine intelligent body designed based on agent theory, thus can be direct
Referred to as engine intelligent body.In order to shorten the development cycle, reduce development cost and development difficulty, the present invention is in engine original
Have and do further exploitation on the basis of ECU control systems, increases core in engine intelligent body, but it is original to be not limited to engine
The exploitation that ECU is carried out.
The engine intelligent body is mainly made of core in the original ECU of engine and engine intelligent body etc., and engine is original
ECU includes sensor assembly, effector module and functional unit block；In the engine intelligent body core include reaction module,
Database, communication module, collaboration module and local planning module；The original ECU of engine and each mould in core in engine intelligent body
Block cooperates, and sensor assembly is directly connected with the reaction module, and the functional unit block includes extinction function
Function and rotating speed and direct torque function, wherein extinction function function are called by reaction module, directly control engine misses；Office
Portion's planning module solves engine demand torque and rotational speed optimization, obtains engine response torque value and response tachometer value, into
And the rotating speed of calling function unit module controls engine throttle executing agency with direct torque function.
According to the difference of the power function called in functional unit block, engine intelligent body can be divided into reaction
Layer and layer of thinking over.When reaction module receives the brake application stoping message that system intelligent body sends over, or work as reaction module
It, mainly can be direct by the conversion zone of engine intelligent body when receiving the engine failure information that sensor assembly perceives
Processing, reaction module directly invoke the extinction function function of functional unit block to control engine misses, play shutdown and protect
The effect of shield.
Thinking over layer can be according to the real time status information of engine and the universal characteristic curve of engine to engine demand
Torque and demand rotating speed optimize correcting process, it is ensured that engine operates between optimized working zone.Think over what layer had
The ability of the torque of Optimization Solution engine demand and demand rotating speed is mainly embodied by sector planning module, that is, passes through local rule
The universal characteristic curve of engine of module polls database is drawn, and combines the real time status information of engine, utilizes internal control
The engine demand torque and demand rotating speed that algorithm passes over system intelligent body optimize derivation, obtain engine
Torque value and response tachometer value are responded, engine oil is controlled with direct torque function to the rotating speed of calling function unit module
Door executing agency changes valve opening and distributive value.
Further, the characteristics of the modules of engine intelligent body and major function is as follows：
(1) database stores engine intelligent body to the description information of itself, includes the information parameter of engine intelligent body
And universal characteristic curve of engine.The information parameter of wherein engine intelligent body include its run the address of host, host name
Claim, the title and communication port of engine intelligent body, this several parameters uniquely identify engine intelligent body, and to start
Communication between machine intelligent body and other intelligent bodies provides necessary identification information.
Universal characteristic curve of engine records the output situation of the torque under engine different rotating speeds He You Mao situations, in office
During portion's planning module optimizes solution to engine demand torque and demand rotating speed, sector planning module can be by logical
Believe the universal characteristic curve of engine in the database described in module polls, ensures the engine response that Optimization Solution obtains as possible
Torque value and response tachometer value fall the efficient operation region in universal characteristic curve of engine.
(2) communication module is interconnected by CAN nets and other intelligent bodies, it be responsible for engine intelligent body and other intelligent bodies it
Between information transmit, specifically, the communication module receives system intelligent body and transmits the brake application stoping message come, engine demand
Torque and demand rotating speed, also speed changer intelligent body transmit the current gear information of coming.In addition, the communication module be also responsible for by
The real time status information of engine and determine that engine it is expected torque and the transmission of desired rotating speed other intelligent bodies by collaboration module.
(3) engine information that reaction module receiving sensor module is transmitted, and corresponding information is transmitted to communication module
And collaboration module；The rule base of IF former piece THEN consequents is additionally provided in the reaction module.Reaction module is without complicated reasoning
Budget, but production system is used, rule is " IF former pieces, THEN consequents ", and wherein former piece is condition, and consequent is action,
The semanteme of the rule is to execute corresponding action if former piece meets.Specifically, IF former pieces and THEN consequents are stored in institute
In the rule base for answering module, wherein IF former pieces include brake application stoping message and engine failure information, and THEN consequents are flame-out fingers
It enables.After the reaction module, which receives system intelligent body, sends over message, before the IF in the message and the rule base
Part compares, if successful match is brake application stoping message, executes the flame-out instruction of THEN consequents, calls the functional unit mould
The extinction function function of block controls engine misses；When the reaction module receives the perception letter of the sensor assembly
After breath, information and the IF former pieces in the rule base are compared, if successful match is engine failure information, execute THEN
The flame-out instruction of consequent calls the extinction function function of the functional unit block to control engine misses.
(4) collaboration module groundwork is to obtain engine air throttle opening information from reaction module, and combine from communication
Module transmits the speed changer current gear information come and determines that engine it is expected torque and desired rotating speed, and the engine it is expected to turn
Square and desired rotary speed information pass to system intelligent body.
(5) sector planning module is mainly made of planner, and internal control algorithm is stored in planner, and groundwork is
Engine demand torque and demand rotating speed are carried out according to the universal characteristic curve of the real time status information of engine and engine
Optimize correcting process.Specifically, the engine demand torque come and demand are transmitted when local planning module receives collaboration module
When rotating speed, sector planning module inquires the hair of database according to the collected engine real time status information of sensor assembly
Motivation universal characteristic curve optimizes derivation using internal control algorithm to engine demand torque and demand rotating speed,
Engine response torque value and response tachometer value are obtained, to call the rotating speed and direct torque function of the functional unit block
Change valve opening and distributive value to control engine throttle executing agency.
(6) the original ECU of engine is divided into sensor assembly, functional unit block and effector module, wherein sensing
Device module is directly connected with reaction module, and function module includes extinction function function and rotating speed and direct torque function, wherein putting out
Fiery power function is called by the reaction module, and rotating speed is called with direct torque function by the sector planning module, is turned
Speed is controlled with oil absorption by Electronic Throttle Control with direct torque to realize.Effector is for executing functional unit
Command information makes accelerator actuating mechanism act.
Based on the function of above each module, in conjunction with Fig. 2, the groundwork of engine intelligent body is as follows：
(1) currently defeated by engine real time status information in sensor assembly collection vehicle driving process, including engine
Go out torque, rotating speed, throttle opening, brake signal, distributive value, air inflow and temperature cylinder, which is passed to reaction mould
Block.
(2) communication module inquires that speed changer intelligent body current gear information, collaboration module obtain speed changer by communication module
Current gear information, collaboration module obtain throttle opening information by reaction module, and then collaboration module is according to the information of acquisition
It determines that engine it is expected torque and desired rotating speed, and engine it is expected that torque and desired rotary speed information pass to by communication module
System intelligent body；
(3) communication module receives system intelligent body and transmits the engine demand torque come and demand rotating speed, and is transmitted
To collaboration module, the information and engine real time status information are passed to sector planning module by collaboration module；Then, part
Planning module passes through the universal spy of engine of communication module inquiry database according to collected engine real time status information
Linearity curve optimizes derivation to engine demand torque and demand rotating speed using internal control algorithm, obtains engine
Torque value and response tachometer value are responded, engine oil is controlled with direct torque function to the rotating speed of calling function unit module
Door executing agency changes electronic throttle aperture and distributive value.
According to the above engine intelligent body information, the present invention provides a kind of hybrid electric vehicle engine smart electronics controls
The control method of unit processed, i.e., optimize the power output of engine using engine intelligent body, and method is：
(1) power-up initializing acquires simultaneously interactive information：
Hybrid vehicle start, the hybrid electric vehicle engine intelligent body power-up initializing, modules into
Enter working condition：First, by sensor assembly acquire engine real time status information, including the current output torque of engine,
Rotating speed, throttle opening, brake signal, distributive value, air inflow and temperature cylinder, and pass it to reaction module；It is same with this
When, communication module constantly receives the message from other intelligent bodies, including the engine braking that system intelligent body passes over stops
The current gear information that machine message, engine demand torque and demand rotating speed and speed changer intelligent body pass over, wherein sending out
Motivation braking shutdown message is transmitted to reaction module, engine demand torque and demand rotating speed and speed changer current gear information then
It is passed to collaboration module.
(2) reaction module acts：
After the reaction module receives the message that the communication module passes over, first by the message and rule
IF former pieces in library compare, if successful match is brake application stoping message, execute the flame-out instruction of THEN consequents, calling function
The extinction function function of unit module controls engine misses；When the reaction module receives the perception letter of sensor assembly
After breath, information and the IF former pieces in the rule base are compared, if successful match is engine failure information, execute THEN
The flame-out instruction of consequent calls the extinction function function of the functional unit block to control engine misses.
(3) collaboration module acts：
Collaboration module obtains engine air throttle opening information from reaction module, and in conjunction with the change come from communication module transmission
Fast device current gear information determines that engine it is expected torque and desired rotating speed, and the engine it is expected that torque and desired rotating speed are believed
Breath passes to system intelligent body.
(4) sector planning module action：
When local planning module, which receives collaboration module, transmits the engine demand torque come and demand rotating speed, part is advised
Module is drawn by the collected engine real time status information of sensor assembly, and the Engine Universal Characteristics for inquiring database are bent
Line optimizes derivation to engine demand torque and demand rotating speed using internal control algorithm, obtains engine response
Torque value and response tachometer value, hold with direct torque function to control engine throttle to the rotating speed of calling function unit module
Row mechanism changes valve opening and distributive value, can advanced optimize the power output of engine.
In the hybrid electric vehicle engine intelligent electronic control unit of the present invention, sector planning module is according to the biography
The collected engine real time status information of sensor module, and the universal characteristic curve of engine of the database is inquired, it utilizes
Internal control algorithm optimizes derivation to engine demand torque and demand rotating speed, obtain engine response torque value and
Tachometer value is responded, to call the rotating speed of the functional unit block to execute machine with direct torque function to control engine throttle
Structure changes valve opening and distributive value so that the work that engine has been taken into account in hybrid power automobile power assembly integrated control is special
Property, the power output of engine can be advanced optimized, solve Engine ECU in conventional method cannot be guaranteed engine power and
The reasonable distribution of power of motor, the problem of hybrid vehicle can not be made to reach best fuel economy, start with conventional
Machine intelligent body has larger difference in control method.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. a kind of hybrid electric vehicle engine intelligent electronic control unit, which is to start
Machine intelligent body, including the original ECU of engine, it is characterised in that：Further include core in engine intelligent body, the engine is original
ECU includes sensor assembly, effector module and functional unit block；In the engine intelligent body core include reaction module,
Database, communication module, collaboration module and local planning module；The original ECU of engine and each mould in core in engine intelligent body
Block cooperates, and the sensor assembly is directly connected with the reaction module, and the functional unit block includes to put out
Fiery power function and rotating speed and direct torque function, wherein extinction function function are called by reaction module, directly control engine
It is flame-out；Sector planning module solves engine demand torque and rotational speed optimization, obtains engine response torque value and response turns
Speed value, and then the rotating speed of calling function unit module controls engine throttle executing agency with direct torque function.
2. a kind of hybrid electric vehicle engine intelligent electronic control unit according to claim 1, it is characterised in that：Institute
The information parameter and universal characteristic curve of engine for the database purchase engine intelligent body stated, the information ginseng of engine intelligent body
Communication of the number between engine intelligent body and other intelligent bodies provides identification information, the universal characteristic curve of engine note
Record the torque output situation and oil consumption situation under engine different rotating speeds, sector planning module to engine demand torque and
During demand rotating speed optimizes solution, the sector planning module can inquire the database by communication module
In universal characteristic curve of engine, promote engine response torque value that Optimization Solution obtains and response tachometer value to fall and starting
Effec-tive Function region in machine universal characteristic curve.
3. a kind of hybrid electric vehicle engine intelligent electronic control unit according to claim 1, it is characterised in that：Institute
It states communication module to interconnect by CAN nets and other intelligent bodies, the information carried out between engine intelligent body and other intelligent bodies passes
It passs, which carries out information exchange with reaction module and collaboration module simultaneously.
4. a kind of hybrid electric vehicle engine intelligent electronic control unit according to claim 1, it is characterised in that：Institute
The engine real time status information for the reaction module receiving sensor module acquisition stated, and corresponding information is transmitted to communication module
And collaboration module；The rule base of IF former piece THEN consequents is additionally provided in the reaction module, wherein IF former pieces include that brake application stoping disappears
Breath and engine failure information, THEN consequents are that flame-out instruction executes the flame-out finger of THEN consequents if IF former pieces meet
It enables, the extinction function function of calling function unit module controls engine misses.
5. a kind of hybrid electric vehicle engine intelligent electronic control unit according to claim 1, it is characterised in that：Institute
It is to obtain engine air throttle opening information from reaction module, and come in conjunction with from communication module transmission to state collaboration module groundwork
Speed changer current gear information determine that it is expected engine it is expected torque and rotating speed, and the engine it is expected into torque and it is expected turn
Fast information passes to system intelligent body.
6. a kind of hybrid electric vehicle engine intelligent electronic control unit according to claim 1, it is characterised in that：Institute
The sector planning module stated mainly is made of planner, internal control algorithm is stored in planner, groundwork is according to hair
The real time status information of motivation and the universal characteristic curve of engine are optimized and are repaiied to engine demand torque and demand rotating speed
Positive processing obtains engine response torque value and response tachometer value, to the rotating speed and direct torque of calling function unit module
Function changes valve opening and distributive value to control engine throttle executing agency.
7. a kind of hybrid electric vehicle engine intelligent electronic control unit according to claim 1, it is characterised in that：Hair
The groundwork of motivation intelligent body is as follows：
(1) it is currently exported and is turned by engine real time status information in sensor assembly collection vehicle driving process, including engine
Square, rotating speed, throttle opening, brake signal, distributive value, air inflow and temperature cylinder, the information are passed to reaction module；
(2) communication module inquires that speed changer intelligent body current gear information, collaboration module are current by communication module acquisition speed changer
Gear information, collaboration module obtain throttle opening information by reaction module, and then collaboration module is determined according to the information of acquisition
Engine it is expected torque and desired rotating speed, and engine it is expected that torque and desired rotary speed information pass to system by communication module
Intelligent body；
(3) communication module receives system intelligent body and transmits the engine demand torque come and demand rotating speed, and passes it to association
Make module, the information and engine real time status information are passed to sector planning module by collaboration module；Then, sector planning
Module passes through the Engine Universal Characteristics song of communication module inquiry database according to collected engine real time status information
Line optimizes derivation to engine demand torque and demand rotating speed using internal control algorithm, obtains engine response
Torque value and response tachometer value, hold with direct torque function to control engine throttle to the rotating speed of calling function unit module
Row mechanism changes electronic throttle aperture and distributive value.
8. a kind of hybrid electric vehicle engine intelligent electronic control unit according to claim 1 or 2, feature exist
In：The information parameter of database purchase engine intelligent body include the address of engine intelligent running body host, host title,
The title and communication port of engine intelligent body uniquely identify engine intelligent body by the parameter.
9. a kind of hybrid electric vehicle engine intelligent electronic control unit according to claim 4, it is characterised in that：Institute
The engine real time status information for stating sensor assembly acquisition includes the current output torque of engine, rotating speed, throttle opening, system
Dynamic signal, distributive value, air inflow and temperature cylinder.
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| CN107748556A (en) * | 2017-08-18 | 2018-03-02 | 潍柴动力股份有限公司 | New energy vehicle vehicle the matching analysis system, collecting method and analysis method |
| CN108536122B (en) * | 2018-03-22 | 2021-01-26 | 吉利汽车研究院（宁波）有限公司 | Hybrid electric vehicle diagnostic system and method |
| CN111042938B (en) * | 2019-11-28 | 2022-01-25 | 中国航空工业集团公司西安航空计算技术研究所 | Adjustable multi-working-condition power distribution method |
| CN111456860B (en) * | 2020-04-13 | 2021-10-01 | 吉林大学 | Online learning method for optimal operation line of series-parallel hybrid electric vehicle engine |
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